Affected would be your answer...affected means something attacked the body...effected means it did not attack the body...just showed symptons
The answer is <span>B.naive first person if it is telling it by is view.</span>
A and B are not run-on sentences because A doesn't even have a comma in it. And B has a semicolon. Something that would prevent a run-on sentence.
It comes down to C or D. D has a nonrestrictive clause.
My finally answer comes to C.